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From: Edward Chow <equu@openmail.cc>
To: Rob Herring <robh+dt@kernel.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Lech Perczak <lech.perczak@camlingroup.com>,
	Edward Chow <equu@openmail.cc>
Subject: [PATCH v2 2/2] dt-bindings: mtd: partitions: Document special values
Date: Fri, 27 Oct 2023 17:46:10 +0800	[thread overview]
Message-ID: <20231027094610.1022114-3-equu@openmail.cc> (raw)
In-Reply-To: <20231027094610.1022114-1-equu@openmail.cc>

Add examples for special values in linux/mtd/partitions.h.

Signed-off-by: Edward Chow <equu@openmail.cc>
---
 .../mtd/partitions/fixed-partitions.yaml      | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
index 331e564f29dc..e7bf466c395f 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
@@ -164,3 +164,33 @@ examples:
             read-only;
         };
     };
+
+  - |
+    #include <dt-bindings/mtd/partitions.h>
+    partitions {
+        compatible = "fixed-partitions";
+        #address-cells = <2>;
+        #size-cells = <1>;
+
+        partition@0 {
+            label = "bootloader";
+            reg = <0 0x000000 0x020000>;
+            read-only;
+        };
+
+        firmware@1 {
+            label = "firmware";
+            /* From the end of the last partition, occupying as mush
+             * as possible, retaining 0x010000 after it,
+             * "MTDPART_OFS_SPECIAL MTDPART_OFS_NXTBLK" similar to
+             * this, but always beginning at erase block boundary. */
+            reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_RETAIN 0x010000>;
+        };
+
+        calibration@2 {
+            compatible = "fixed-partitions";
+            label = "calibration";
+            /* Appending to the last partition, occupying 0x010000 */
+            reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_APPEND 0x010000>;
+        };
+    };
-- 
2.42.0


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http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: Edward Chow <equu@openmail.cc>
To: Rob Herring <robh+dt@kernel.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Lech Perczak <lech.perczak@camlingroup.com>,
	Edward Chow <equu@openmail.cc>
Subject: [PATCH v2 2/2] dt-bindings: mtd: partitions: Document special values
Date: Fri, 27 Oct 2023 17:46:10 +0800	[thread overview]
Message-ID: <20231027094610.1022114-3-equu@openmail.cc> (raw)
In-Reply-To: <20231027094610.1022114-1-equu@openmail.cc>

Add examples for special values in linux/mtd/partitions.h.

Signed-off-by: Edward Chow <equu@openmail.cc>
---
 .../mtd/partitions/fixed-partitions.yaml      | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
index 331e564f29dc..e7bf466c395f 100644
--- a/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
+++ b/Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml
@@ -164,3 +164,33 @@ examples:
             read-only;
         };
     };
+
+  - |
+    #include <dt-bindings/mtd/partitions.h>
+    partitions {
+        compatible = "fixed-partitions";
+        #address-cells = <2>;
+        #size-cells = <1>;
+
+        partition@0 {
+            label = "bootloader";
+            reg = <0 0x000000 0x020000>;
+            read-only;
+        };
+
+        firmware@1 {
+            label = "firmware";
+            /* From the end of the last partition, occupying as mush
+             * as possible, retaining 0x010000 after it,
+             * "MTDPART_OFS_SPECIAL MTDPART_OFS_NXTBLK" similar to
+             * this, but always beginning at erase block boundary. */
+            reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_RETAIN 0x010000>;
+        };
+
+        calibration@2 {
+            compatible = "fixed-partitions";
+            label = "calibration";
+            /* Appending to the last partition, occupying 0x010000 */
+            reg = <MTDPART_OFS_SPECIAL MTDPART_OFS_APPEND 0x010000>;
+        };
+    };
-- 
2.42.0


  parent reply	other threads:[~2023-10-27  9:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-25  5:29 [PATCH] dt-bindings: mtd-partitions: Export special values Edward Chow
2023-10-25  5:29 ` Edward Chow
2023-10-25  7:41 ` Miquel Raynal
2023-10-25  7:41   ` Miquel Raynal
2023-10-25  8:20 ` Krzysztof Kozlowski
2023-10-25  8:20   ` Krzysztof Kozlowski
2023-10-25 12:33 ` Rob Herring
2023-10-25 12:33   ` Rob Herring
2023-10-27  9:46 ` [PATCH v2 0/2] dt-bindings: mtd: partitions: " Edward Chow
2023-10-27  9:46   ` Edward Chow
2023-10-27  9:46   ` [PATCH v2 1/2] " Edward Chow
2023-10-27  9:46     ` Edward Chow
2023-10-27  9:46   ` Edward Chow [this message]
2023-10-27  9:46     ` [PATCH v2 2/2] dt-bindings: mtd: partitions: Document " Edward Chow
2023-10-27 11:06     ` Krzysztof Kozlowski
2023-10-27 11:06       ` Krzysztof Kozlowski
2023-10-27 12:16     ` Rob Herring
2023-10-27 12:16       ` Rob Herring
2023-10-27 11:06   ` [PATCH v2 0/2] dt-bindings: mtd: partitions: Export " Krzysztof Kozlowski
2023-10-27 11:06     ` Krzysztof Kozlowski
2023-10-27 11:07   ` Krzysztof Kozlowski
2023-10-27 11:07     ` Krzysztof Kozlowski
2023-10-27 12:11   ` Miquel Raynal
2023-10-27 12:11     ` Miquel Raynal

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